Alternative for running Python script from shell using existing virtual environment

Question

Normally when I want to run a script from the command prompt or shell I navigate to the directory my script file is in and type python <name script>.py and press Enter

D:\TestPython>python run.py
here a demo run

However at the moment a script I want to run relies an a package in the virtual environment. In the Python documentation I found a way to solve this relying on the execution of an activate.bat file:

D:\TestPython>C:\Users\elmex\VENV\Scripts\activate.bat 
(VENV) D:\TestPython>python run.py
here a demo run

Now I wonder if there is an alternative to this, something like D:\TestPython>python use all packages form virt env this <dir> run.py.

For your first example, if your system is configured properly you can add D:\TestPython to the PATH environment variable and .PY to the PATHEXT environment variable. Then you can execute run from any working directory. The shell will find "run.py", get the associated command template (e.g. py.exe "%1" %*), expand the template, and execute the command. — Eryk Sun
– Eryk Sun, Commented Mar 9, 2017 at 20:58
For running a script in a virtual environment, install Python 3 to get the py.exe launcher as the default association for .py files. Then in run.py add a shebang with the fully-qualified path to that interpreter, e.g. #!C:\Users\elmex\VENV\Scripts\python.exe. — Eryk Sun
– Eryk Sun, Commented Mar 9, 2017 at 21:01

Reidel · Accepted Answer · 2017-03-09 20:10:39Z

1

so sorry @Elmex80s there are no way for that in the other way yes I meant from inside a virtualenv you can access to the packages installed in you global system but before install this virtual env you need to use the option system-site-packages and you would have the access I talking about it. You can see all this here:https://virtualenv.pypa.io/en/stable/reference/#cmdoption--system-site-packages Regards

answered Mar 9, 2017 at 20:10

Reidel

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